Finding the Fourth Proportional to 1,201.48, 1,799.89 and 789.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201.48 : 1,799.89 = 789.37 : x
2. Step 2: Convert to fraction form
   1,201.48/1,799.89 = 789.37/x
3. Step 3: Cross multiply
   1,201.48x = 1,799.89 × 789.37
4. Step 4: Simplify right side
   1,201.48x = 1,420,781.14
5. Step 5: Solve for x
   x = 1,420,781.14/1,201.48
6. Step 6: Final answer
   x = 1,182.52